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DEBT (Tables) | 9 Months Ended
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Sep. 30, 2018
Debt Disclosure [Abstract] |
Schedule of credit facilities | The following table provides details of our committed credit facilities as at September 30, 2018:
|  | September 30, 2018
| Maturity | Total Facilities |  | Draws 1 |  | Available |
(millions of Canadian dollars) |  |  |  |
Enbridge Inc. | 2019-2023 | 5,602 |  | 2,330 |  | 3,272 |
Enbridge (U.S.) Inc. | 2019 | 1,829 |  | — |  | 1,829 |
Enbridge Energy Partners, L.P.2 | 2019-2022 | 3,167 |  | 2,210 |  | 957 |
Enbridge Gas Distribution Inc. (EGD) | 2019-2020 | 1,017 |  | 779 |  | 238 |
Enbridge Income Fund | 2020 | 1,500 |  | 9 |  | 1,491 |
Enbridge Pipelines Inc. | 2020 | 3,000 |  | 1,214 |  | 1,786 |
Spectra Energy Partners, LP 3 | 2022 | 3,232 |  | 2,153 |  | 1,079 |
Union Gas Limited (Union Gas) | 2021 | 700 |  | 481 |  | 219 |
Total committed credit facilities |  | 20,047 |  | 9,176 |  | 10,871 |
1 | Includes facility draws, letters of credit and commercial paper issuances that are back-stopped by credit facilities.
2 | Includes $239 million (US$185 million) of commitments that expire in 2020.
3 | Includes $435 million (US$336 million) of commitments that expire in 2021.
Schedule of Long-term Debt Instruments | During the nine months ended September 30, 2018, we completed the following long-term debt issuances:
Company | Issue Date |  |  | Principal Amount
(millions of Canadian dollars, unless otherwise stated) |  |
Enbridge Inc. |  |  |
| March 2018 | Fixed-to-floating rate subordinated notes due 2078 1 | US$850
| April 2018 | Fixed-to-floating rate subordinated notes due 2078 2 | $750
| April 2018 | Fixed-to-floating rate subordinated notes due 2078 3 | US$600
Spectra Energy Partners, LP 4 |  |  |
| January 2018 | 3.50% senior notes due 2028 | US$400
| January 2018 | 4.15% senior notes due 2048 | US$400
1 | Notes mature in 60 years and are callable on or after year 10. For the initial 10 years, the notes carry a fixed interest rate of 6.25%. Subsequently, the interest rate will be set to equal the three-month London Interbank Offered Rate (LIBOR) plus a margin of 364 basis points from years 10 to 30, and a margin of 439 basis points from years 30 to 60.
2 | Notes mature in 60 years and are callable on or after year 10. For the initial 10 years, the notes carry a fixed interest rate of 6.625%. Subsequently, the interest rate will be set to equal the Canadian Dollar Offered Rate plus a margin of 432 basis points from years 10 to 30, and a margin of 507 basis points from years 30 to 60.
3 | Notes mature in 60 years and are callable on or after year five. For the initial five years, the notes carry a fixed interest rate of 6.375%. Subsequently, the interest rate will be set to equal the three-month LIBOR plus a margin of 359 basis points from years five to 10, a margin of 384 basis points from years 10 to 25, and a margin of 459 basis points from years 25 to 60.
4 | Issued through Texas Eastern Transmission, LP, a wholly-owned operating subsidiary of SEP.
Schedule of Repayment of Debt | During the nine months ended September 30, 2018, we completed the following long-term debt repayments:
Company | Retirement/Repayment Date |  |  | Principal Amount | Cash Consideration 1
(millions of Canadian dollars, unless otherwise stated) |  |  |
Enbridge Energy Partners, L.P. |  |  |
| April 2018 | 6.50% senior notes | US$400 |
Enbridge Pipelines (Southern Lights) L.L.C |  |  |  |
| June 2018 | 3.98% medium-term notes due June 2040 | US$20 |
Enbridge Southern Lights LP |  |  |  |
| January 2018 | 4.01% medium-term notes due June 2040 | $9 |
| July 2018 | 4.01% medium-term notes due June 2040 | $8 |
Midcoast Energy Partners, L.P. |  |  |  |
Redemption 2 |  |  |  |
| July 2018 | 3.56% senior notes due September 2019 | US$75 | US$76
| July 2018 | 4.04% senior notes due September 2021 | US$175 | US$182
| July 2018 | 4.42% senior notes due September 2024 | US$150 | US$161
Spectra Energy Capital, LLC |  |  |  |
Repurchase via Tender Offer 2 |  |  |  |
| March 2018 | 6.75% senior unsecured notes due 2032 | US$64 | US$80
| March 2018 | 7.50% senior unsecured notes due 2038 | US$43 | US$59
Redemption 2 |  |  |
| March 2018 | 5.65% senior unsecured notes due 2020 | US$163 | US$172
| March 2018 | 3.30% senior unsecured notes due 2023 | US$498 | US$508
Repayment |  |  |  |
| April 2018 | 6.20% senior notes | US$272 |
| July 2018 | 6.75% senior notes |  | US$118 |
Spectra Energy Partners, LP |  |  |  |
| September 2018 | 2.95% senior notes |  | US$500 |
Union Gas Limited |  |  |  |
| April 2018 | 5.35% medium-term notes | $200 |
| August 2018 | 8.75% debenture |  | $125 |
Westcoast Energy Inc. |  |  |  |
| May 2018 | 6.90% senior secured notes | $13 |
| May 2018 | 4.34% senior secured notes | $4 |
| September 2018 | 8.50% debenture |  | $150 |
1 | Cash consideration disclosed for repayments where the cash paid differs from the principal amount.
2 | The loss on debt extinguishment of $64 million (US$50 million), net of a fair value adjustment recorded upon completion of the Merger Transaction, was reported within Interest expense in the Consolidated Statements of Earnings.

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21521-112644 + Details
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